From Longman Dictionary of Contemporary Englishsaucersau‧cer /ˈsɔːsə $ ˈsɒːsər/ ●●○ noun [countable] 
DFUa small round plate that curves up at the edges, that you put a cup on a china cup and saucer → flying saucer
DFUa small round plate that curves up at the edges, that you put a cup on a china cup and saucer → flying saucerExamples from the Corpus
saucer• But as she washed her breakfast cup and saucer and rinsed them meticulously under the cold tap, she was anxious.• Shamrock cup and saucer by Beleek Bestlite 31170 solid brass lamp base with dark green enamelled shade.• The table was set with matching cups and saucers, bright silverware, old plates and a small pitcher of milk.• Cups, saucers, teapot, milk jug with its little muslin cloth, plates and splattered jam.• The old man opened his eyes, saucers of terror.• He placed his cup and its flooded saucer separately on the coffee table and sat back in his chair.• Cigarette ashes crusted with coffee in saucers or spilled over the sides of motel ashtrays.• Coffee cup in hand, slopping the liquid in its saucer, I went out on to the terrace.cup and saucer• A cup and saucer stand is $ 30.• It has eight plates, eight cups and saucers, a coffee pot, a creamer and a sugar bowl.• Dinner plate, £5.50; side plate, £3.50; espresso cup and saucer, £3.95.• As she fetched sugar and milk and her favourite cup and saucer, she made up her mind to break with him.• The table was set with matching cups and saucers, bright silverware, old plates and a small pitcher of milk.• The little brown bottle caught my eye again, and putting my cup and saucer down I uncapped and re-examined it.• Now he gapes at the cup and saucer, tottering at the end of his extended arm.• A frying pan, utensils, cups and saucers.Origin saucer (1300-1400) Old French saussier “plate for sauce”, from sausse, sauce; → SAUCE 